was granted. Such revocation shall be in writing and 

 shall be served on the owner or his agent, or in their 

 absence on anyone doing any of such work, and the 

 said work shall be stopped, and any person continuing 

 the same or employed or engaged upon or in connection 

 therewith shall render himself liable to the penalties 

 hereinafter prescribed. 



Obstruction of Strekts and Sidewalks. 



14. No permit granted by the Superintendent shall 

 authorize the ol.)struction of any street or sidewalk, or 

 be valid longer than six months from the date of issue, 

 but such period may be extended by the Superin- 

 tendent from time to time on sufficient reason being 

 shown, no such extension at any one time to be for a 

 longer period than three months. Any such jjermit or 

 extension shall become null and void upon the holder 

 failing to comply with the terms of such permit, or 

 upon the work being abandoned. 



15. No person shall interfere with or remove any 

 portion of a sidewalk or occupy any portion of a street 

 or sidewalk by placing thereon any building material, 

 or other substance or object, unless he has first received 

 from the Superintendent a permit specifying the work 

 and the time for which it authorizes such occupancy, 

 and immediately upon the completion of the work, or 

 upon the expiration of the permit, the permittee shall 

 remove frcmi such street or sidewalk any material 

 which he has placed or caused to be placed thereon, 

 and shall cause such street and sidewalk to be restored 

 to its former condition. 



16. When any building is to be erected on the line of 

 any 'street or within three feet of the inside line of the 

 sidewalk of any street, the Superintendent may require 

 the permittee eitlier to have a covered structure erected 

 over the sidewalk or footway, or to enclose with a 

 board fence the portion of the sidewalk or footing, 

 along the entire frontage of the building. 



Excavations. 



17. All excavations for buildings shall be properly 

 guarded and protected by the person or persons causing 

 them to be made, so as to prevent the same from 

 becomins^ dangerous to life and limb, and shall be 

 sheet piled when necessary to prevent the adjoining 

 earth from caving in by reason of its own weight or 

 by reason of any load that may rest upon it. 



18. Wherever an excavation shall be made it shall 

 be the duty of the permittee to preserve any contiguous 

 wall from injury and to sustain and protect the same 

 at his own cost and expense, so that the said wall shall 

 remain as safe as before such excavation was made. 



Stairs, Passageways and Exits. 



19. In all buildings used as hotels, lodging, or 

 rooming houses, the halls, stairs, passageways, doors 

 and exits shall bearrangeil to facilitate egress in case of 

 fire or accident, and all such buildings having twenty- 

 five or more rooms above the ground tloor shall have at 

 least two iudepi ndent stairways, each not less than 

 f(jur feet wide, and situated at opposite ends or sides of 

 the building and conne:;ted with or extending to the 

 ground floor. No door at the foot of such stairway 

 shall be fastened except with a movable bar or bolt, 

 readily drawn from the inside without the use of any 



